Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2024, 16:57

General

  • Target
    53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258.dll
  • Size 1020KB
  • Sample240310-vghkfsgf35
  • SHA256 53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Dridex payload 11 IoCs

    Detects Dridex x64 core DLL in memory.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2172
  • C:\Windows\system32\dpapimig.exe
    C:\Windows\system32\dpapimig.exe
    1⤵
      PID:2196
    • C:\Users\Admin\AppData\Local\9HODR\dpapimig.exe
      C:\Users\Admin\AppData\Local\9HODR\dpapimig.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1596
    • C:\Windows\system32\sdclt.exe
      C:\Windows\system32\sdclt.exe
      1⤵
        PID:2768
      • C:\Users\Admin\AppData\Local\gufou\sdclt.exe
        C:\Users\Admin\AppData\Local\gufou\sdclt.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2692
      • C:\Windows\system32\mspaint.exe
        C:\Windows\system32\mspaint.exe
        1⤵
          PID:4616
        • C:\Users\Admin\AppData\Local\TNA4s94\mspaint.exe
          C:\Users\Admin\AppData\Local\TNA4s94\mspaint.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2392

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\9HODR\DUI70.dll
              • Size 1.3MB
              • SHA256 d776d72f142d46c5301d06f769c1fc5d605c0f11002eb07a78354b9e602c870d
              • MD5 SHA1 SHA512 SSDEEP

              dpapimig.exe

              • Path C:\Users\Admin\AppData\Local\9HODR\dpapimig.exe
              • Size 76KB
              • SHA256 a8147d08b82609c72d588a0a604cd3c1f2076befcc719d282c7cbd6525ae89eb
              • MD5 SHA1 SHA512 SSDEEP

              MFC42u.dll

              • Path C:\Users\Admin\AppData\Local\TNA4s94\MFC42u.dll
              • Size 1.0MB
              • SHA256 3be41c676ed7b9da80d502ef19cc7c37a5afa7ca040824b42789307293235523
              • MD5 SHA1 SHA512 SSDEEP

              mspaint.exe

              • Path C:\Users\Admin\AppData\Local\TNA4s94\mspaint.exe
              • Size 965KB
              • SHA256 94aa32a2c9c1d2db78318d9c68262c2f834abe26b6e9a661700324b55fdd5709
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\gufou\WTSAPI32.dll
              • Size 1024KB
              • SHA256 96f9d2181f0f70e6e0491dc8e3cffc05d0ef162e0fd71f80b265b7ea90e97b77
              • MD5 SHA1 SHA512 SSDEEP

              sdclt.exe

              • Path C:\Users\Admin\AppData\Local\gufou\sdclt.exe
              • Size 1.2MB
              • SHA256 efd238ea79b93d07852d39052f1411618c36e7597e8af0966c4a3223f0021dc3
              • MD5 SHA1 SHA512 SSDEEP

              Zleyjbxoi.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Zleyjbxoi.lnk
              • Size 986B
              • SHA256 65a822894d9e38df8662f0d61225692841a7ad0f8b6f77a9e547521ad1d3d0c9
              • MD5 SHA1 SHA512

              MFC42u.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\vDIw7z\MFC42u.dll
              • Size 160KB
              • SHA256 5ef512d767decd8c12959246514145fa88dd15dccfe1b0eb4316fed1380d87a2
              • MD5 SHA1 SHA512 SSDEEP

              memory/1596-53-0x0000028E00470000-0x0000028E00477000-memory.dmp

              memory/1596-52-0x00007FFAAB240000-0x00007FFAAB385000-memory.dmp

              memory/1596-57-0x00007FFAAB240000-0x00007FFAAB385000-memory.dmp

              memory/2172-45-0x00007FFABA530000-0x00007FFABA62F000-memory.dmp

              memory/2172-0-0x00007FFABA530000-0x00007FFABA62F000-memory.dmp

              memory/2172-2-0x000002E84ADF0000-0x000002E84ADF7000-memory.dmp

              memory/2392-85-0x000001AC92770000-0x000001AC92777000-memory.dmp

              memory/2392-86-0x00007FFAA86D0000-0x00007FFAA87D6000-memory.dmp

              memory/2392-88-0x00007FFAA86D0000-0x00007FFAA87D6000-memory.dmp

              memory/2692-68-0x00007FFAAB350000-0x00007FFAAB450000-memory.dmp

              memory/2692-69-0x0000022916CB0000-0x0000022916CB7000-memory.dmp

              memory/2692-73-0x00007FFAAB350000-0x00007FFAAB450000-memory.dmp

              memory/3396-12-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-16-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-24-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-31-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-32-0x00007FFAC8B40000-0x00007FFAC8B50000-memory.dmp

              memory/3396-33-0x00007FFAC8B30000-0x00007FFAC8B40000-memory.dmp

              memory/3396-42-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-22-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-19-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-21-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-20-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-18-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-17-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-23-0x00000000010E0000-0x00000000010E7000-memory.dmp

              memory/3396-15-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-6-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-14-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-13-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-11-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-10-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-9-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-8-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-7-0x00007FFAC8A4A000-0x00007FFAC8A4B000-memory.dmp

              memory/3396-5-0x0000000140000000-0x00000001400FF000-memory.dmp

              memory/3396-3-0x00000000012B0000-0x00000000012B1000-memory.dmp